Jim, I think you have sleuthed as much info out of it as you can. I have never heard of a pathway to how it has traveled, just who created it and with what, as you have already done.
The only place I can think that might be able to divine more, might be WiebeTech. They provide forensic services to law enforcement, but I doubt it. One their service is probably not cheap, if possible, and if it is on a device you upgraded, you probably corrupted the trail.
Sent from my iPad,
Brent
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On Oct 22, 2019, at 2:08 PM, jimrobertson via Groups.Io <jimrobertson@...> wrote:
In my downloads folder I have an unsigned PDF letter, watermarked ¡°DRAFT,¡± ¡°written" by a named insurance adjuster, probably not intended for me, although it deals with a disaster which took my home.Using the tools available either in the macOS and Adobe Reader, the author is listed as someone else entirely, a person I don¡¯t know, and it supposedly was created using MS Word via amazonwebservices.